DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES

Detalhes bibliográficos
Autor(a) principal: Sitonio, Felipe França
Data de Publicação: 2024
Outros Autores: Jair Carlos Koppe
Tipo de documento: Artigo
Idioma: por
eng
Título da fonte: Holos
Texto Completo: http://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671
Resumo: Parameter’s control of explosives used in open pit mining operations have become more relevant over the years, bringing a better understanding of detonation performance. Giving into consideration that bulk emulsion density reflects on blasting results due to its importance in product sensitivity and velocity of detonation (VOD), blast designs are conducted assuming that cup density measurements are reliable and explosives gassing agents will perform as per specifications. Nevertheless, confinement conditions in boreholes are often neglected on predictive modelling. This paper describes the assembly of a device equipped with pressure sensors and its utilization in confined boreholes, obtaining in situ monitoring of density variation in explosive columns. The results enabled a comparison between bulk emulsion density variation when acting in different environments, providing detailed insights into how chemically sensitized explosives behave into different circumstances, giving the opportunity to re-evaluate blast design.
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spelling DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLESrock blastingdetonationminingParameter’s control of explosives used in open pit mining operations have become more relevant over the years, bringing a better understanding of detonation performance. Giving into consideration that bulk emulsion density reflects on blasting results due to its importance in product sensitivity and velocity of detonation (VOD), blast designs are conducted assuming that cup density measurements are reliable and explosives gassing agents will perform as per specifications. Nevertheless, confinement conditions in boreholes are often neglected on predictive modelling. This paper describes the assembly of a device equipped with pressure sensors and its utilization in confined boreholes, obtaining in situ monitoring of density variation in explosive columns. The results enabled a comparison between bulk emulsion density variation when acting in different environments, providing detailed insights into how chemically sensitized explosives behave into different circumstances, giving the opportunity to re-evaluate blast design.O controle dos parâmetros   dos explosivos aplicados em desmontes de rochas de minas à céu aberto tem sido amplamente abordado ao longo dos anos, visando aumentar a performance das detonações. Uma vez que a densidade das emulsões explosivas possui impacto direto na sensibilidade e velocidade de detonação (VOD) do produto, os planos de fogo são elaborados assumindo que a densidade de copo é confiável, e os agentes gaseificantes irão performar conforme especificado. Contudo, as condições de confinamento costumam ser negligenciadas em modelos preditivos. Este trabalho descreve a construção de um dispositivo equipado com sensores de pressão, com o intuito de monitorar a variação de densidade em colunas explosivas confinadas. Os resultados possibilitaram uma comparação entre a variação de densidade das emulsões explosivas quando atuando em ambientes divergentes, provendo informações detalhadas sobre a atuação de explosivos sensibilizados quimicamente em diferentes circunstâncias, garantindo uma retroalimentação assertiva dos parâmetros de plano de fogo.Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte2024-04-19info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/otherapplication/pdfapplication/pdfhttp://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/1467110.15628/holos.2024.14671HOLOS; v. 1 n. 40 (2024): V.1 n.40 (2024)1807-1600reponame:Holosinstname:Instituto Federal do Rio Grande do Norte (IFRN)instacron:IFRNporenghttp://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671/4037http://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671/4038Figure 1: FREESCALE SEMICONDUCTOR, Integrated silicon pressure sensor on-chip signal conditioned, temperature compensated and calibrated. MPX5700 Series Manual, 2009. https://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/openAccessSitonio, Felipe FrançaJair Carlos Koppe2024-04-20T00:23:00Zoai:holos.ifrn.edu.br:article/14671Revistahttp://www2.ifrn.edu.br/ojs/index.php/HOLOSPUBhttp://www2.ifrn.edu.br/ojs/index.php/HOLOS/oaiholos@ifrn.edu.br||jyp.leite@ifrn.edu.br||propi@ifrn.edu.br1807-16001518-1634opendoar:2024-04-20T00:23Holos - Instituto Federal do Rio Grande do Norte (IFRN)false
dc.title.none.fl_str_mv DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
title DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
spellingShingle DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
Sitonio, Felipe França
rock blasting
detonation
mining
title_short DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
title_full DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
title_fullStr DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
title_full_unstemmed DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
title_sort DENSITY MONITORING OF BULK EMULSION EXPLOSIVES IN CONFINED BLASTHOLES
author Sitonio, Felipe França
author_facet Sitonio, Felipe França
Jair Carlos Koppe
author_role author
author2 Jair Carlos Koppe
author2_role author
dc.contributor.author.fl_str_mv Sitonio, Felipe França
Jair Carlos Koppe
dc.subject.por.fl_str_mv rock blasting
detonation
mining
topic rock blasting
detonation
mining
description Parameter’s control of explosives used in open pit mining operations have become more relevant over the years, bringing a better understanding of detonation performance. Giving into consideration that bulk emulsion density reflects on blasting results due to its importance in product sensitivity and velocity of detonation (VOD), blast designs are conducted assuming that cup density measurements are reliable and explosives gassing agents will perform as per specifications. Nevertheless, confinement conditions in boreholes are often neglected on predictive modelling. This paper describes the assembly of a device equipped with pressure sensors and its utilization in confined boreholes, obtaining in situ monitoring of density variation in explosive columns. The results enabled a comparison between bulk emulsion density variation when acting in different environments, providing detailed insights into how chemically sensitized explosives behave into different circumstances, giving the opportunity to re-evaluate blast design.
publishDate 2024
dc.date.none.fl_str_mv 2024-04-19
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/other
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671
10.15628/holos.2024.14671
url http://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671
identifier_str_mv 10.15628/holos.2024.14671
dc.language.iso.fl_str_mv por
eng
language por
eng
dc.relation.none.fl_str_mv http://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671/4037
http://www2.ifrn.edu.br/ojs/index.php/HOLOS/article/view/14671/4038
dc.rights.driver.fl_str_mv https://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.coverage.none.fl_str_mv Figure 1: FREESCALE SEMICONDUCTOR, Integrated silicon pressure sensor on-chip signal conditioned, temperature compensated and calibrated. MPX5700 Series Manual, 2009.
dc.publisher.none.fl_str_mv Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte
publisher.none.fl_str_mv Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte
dc.source.none.fl_str_mv HOLOS; v. 1 n. 40 (2024): V.1 n.40 (2024)
1807-1600
reponame:Holos
instname:Instituto Federal do Rio Grande do Norte (IFRN)
instacron:IFRN
instname_str Instituto Federal do Rio Grande do Norte (IFRN)
instacron_str IFRN
institution IFRN
reponame_str Holos
collection Holos
repository.name.fl_str_mv Holos - Instituto Federal do Rio Grande do Norte (IFRN)
repository.mail.fl_str_mv holos@ifrn.edu.br||jyp.leite@ifrn.edu.br||propi@ifrn.edu.br
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